ABB SPAC 531 C User Manual And Technical Description Download Page 139

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Low-set neutral overcurrent stage I

Start current

1...10% x I

Start time, typically

150 ms

Operate time, two ranges

0.1...1.0 s and 1.0...10.0 s

Reseting time, typically

100 ms

Drop-off/pick-up ratio, typically

0.95

Operate time accuracy

2% of setting or

50 ms

Operation accuracy

3% of the maximum setting value of

stage I

> + inaccuracy caused by

phase

displacement

High-set neutral overcurrent stage I

Start current

5...40% x I

and

∞

, infinite, or

1...8% x I

and

∞

, infinite

Start time, typically

150 ms

Operate time

0.1...1.0 s

Reseting time, typically

100 ms

Drop-off/pick-up ratio, typically

0.95

Operate time accuracy

2% of setting or

50 ms

Operation accuracy

3% of the maximum setting value of

stage I

>> + inaccuracy caused by

phase

displacement

Technical data

(modified 2000-02)

Summary of Contents for SPAC 531 C

Page 1: ... 5 6 7 t t t t n U o n I ϕ n I ϕ ϕ n U U o SGR 8 7 6 5 4 3 2 1 1 0 SPAC 531 C n I 1 5 A o I n I 1 5 A I n U V U 100 110 n U V U 100 110 o L1 IRF I L2 I L3 I I 1309 s k t 0 5 0 05 1 0 13 2 5 0 5 0 04 1 0 0 5 1 5 2 5 STEP RESET SG1 0 1 1 2 3 4 5 6 7 8 20 STEP I n I I n I I t s I I SPCJ 3C3 B o IRF 1313 0 6 0 1 1 0 30 5 0 6 0 1 1 0 1 0 6 0 10 STEP RESET SG1 0 1 1 2 3 4 5 6 7 8 40 SPCS 3C4 B I Iϕ Iϕ s...

Page 2: ...gs 12 Connection diagram 14 Intermodular control signal exchange modified 2000 10 17 Terminals and wiring 20 Start up 22 Applications 23 Technical data 40 Maintenance and repairs 44 Exchange and spare parts 44 Delivery alternatives 45 Order information 46 The user s manual for the feeder terminal SPAC 531 C SPAC 631 C is composed of the following partial manuals General description 1MRS 750852 MUM...

Page 3: ...f application The integrated feeder terminals SPAC 531 C and SPAC 631 C are designed to be used as a cubicle based protection and remote control interfaceunit Inadditiontoprotection control andmeasurementfunctionstheunitisprovided withthedatacommunicationpropertiesneeded for the control of the feeder Connection to higher level substation control equipment is carried out via a fibre optic serial bu...

Page 4: ...e control module measures and indicates the three phase currents and the three phase to phase voltages Active and reactive power can be measured via two mA inputs or by using the internal current and voltage signals When the mA inputs are used external measuring trans ducers are needed Energy can be calculated on the basis of the measured power values or by using one input as an energy pulse count...

Page 5: ...sconnectors or circuit breakers locally and transmits the data to the remote control system Reads seven external binary signals indicates six of them locally and transmits the data to the remote control system Measures and indicates three phase currents three phase to phasevoltages activeandreactivepowerandenergylocallyand transmits the information to the remote control system Executes local or re...

Page 6: ...are mechanically connected to each other The three I O modules SPTR 4D_ and the optional measuring module are located behind the module s front PC board The I O modules and the optional measuring modules can be withdrawn after the control module has been removed The input and output signals of the I O module U7 SPTR4D_ arealllinkedviathemulti pole connector X3 In the same way the signals of I O mo...

Page 7: ...PORT X3 X1 X0 3I 3I X2 O I I U P Q E I I X6 U x I X4 X5 U1 U2 U3 U7 U8 U9 U4 U5 U6 U10 U11 Fig 3 Block diagram for feeder terminals SPAC 531 C and SPAC 631 C U1 Overcurrent relay module SPCJ 3C3 U2 Directional neutral current relay module SPCS 3C4 U3 Empty module location U4 Control module SPTO 6D3 U5 Optional measuring module SPTM 8A1 SPTM 6A2 or SPTM 6A3 U6 I O module SPTR 6B11 for the protectio...

Page 8: ...apsed the low set stage of the earth faultrelaymoduledeliversatrippingsignal The high set stage operates in the same way it starts whentheresidualvoltageexceedsthesetstarting value and the neutral current and the phase angle between current and voltage are such that the set starting value Iϕ is exceeded When theselectedoperationtimehaselapsedthehigh set stage delivers a tripping signal The high se...

Page 9: ...ns of the feeder terminal Since the output signals are individually wired from each card location to the I O module the modules have to be plugged into the relay case as shown in the Fig on the front page to secure that the connec tion diagram for the relay assembly corresponds to the physical function of the relay Auto reclosing The control module SPTO 6D3 also incorpo rates a flexible auto reclo...

Page 10: ... is applied to the input or at low state i e whennocontrolsignalisappliedtothe input The indications of the activations of the external input channels 8 13 can individually beprogrammedtobememorycontrolled which means that the LED corresponding to an input channel whichhasbeenactivatedformorethan 10 ms remains lit until separately reset Red light of a LED indicates that the concerned input channel...

Page 11: ... be selected with the control module Based on these values the control mod ule is able to indicate the currents voltages and power as primary values If the mA inputs are used for power measurement the mA signals can be scaled as actual MW and Mvar values These primary values can be indicated locally and whenneeded betransmittedtothehigher level system over the SPA bus Active energy can be measured...

Page 12: ...pth can be reduced by using a 40 mm raising frame type SPA ZX 19 When the feeder terminal is door mounted the door structure should be reinforced 266 4 x ø8 448 1 465 0 5 19 482 6 465 7 5 132 5 57 1 133 1 57 1 0 5 Panel cut out Fig 5 Mounting and dimensional drawings of the feeder terminal SPAC 531 C Mounting and dimension drawings SPAC 531 C ...

Page 13: ... C can be used in switchgear cubicles with a limited width Its mounting depth is also smaller than that of SPAC 531 C The feeder terminal is fixed to the frame by means of four screws When the feeder terminal is door mounted the door structure should be reinforced Fig 6 Mounting and dimensional drawings of the feeder terminal SPAC 631 C ...

Page 14: ...5 X2 7 X2 9 X2 8 X1 8 X1 10 X1 9 X3 11 X3 12 X3 13 X3 14 X3 15 X3 16 X3 17 X3 18 X4 11 X4 12 X4 14 X4 15 X4 16 X4 17 X4 18 X5 11 X5 12 X5 14 X5 15 X5 16 X5 17 X5 18 X6 1 X6 2 X6 3 X6 4 X3 7 X3 8 X3 6 X4 7 X4 8 X4 6 X3 9 X3 10 X4 10 X4 9 INPUT3 I INPUT3 O INPUT2 I INPUT2 O INPUT1 I INPUT1 O INPUT6 I INPUT6 O INPUT5 I INPUT5 O INPUT4 I INPUT4 O INPUT7 I INPUT7 O BS1 BACTRL BS2 X1 12 X1 11 X2 12 X2 1...

Page 15: ... normal condition the contact interval 8 9 is closed When theauxiliarypowersupplyfailsoraninternalfaultisdetected thecontact interval 9 10 is closed 11 12 Selection of operating characteristic Isinϕ Icosϕ for the directional earth fault module U2 BACTRL X2 1 2 3 Signal Final trip on earth fault Iϕ Iϕ output or general protection trip I I Iϕ Iϕ signal output SIGNAL 2 4 5 6 Starting signal I I from ...

Page 16: ...close starting signal not indicated by LED 11 12 Open output 5 of control module OPEN 5 13 14 Close output 5 of control module CLOSE 5 15 16 Open output 6 of control module OPEN 6 17 18 Close output 6 of control module CLOSE 6 X6 1 2 Signal output 5 of control module SIGNAL 5 3 4 Signal output 6 of control module SIGNAL 6 5 6 Not used 7 8 mA input 1 used only with optional measuring module SPTM 8A...

Page 17: ...odular control signal exchange modified 2000 10 ϕ IL1 IL2 IL3 Uo t SS1 SS2 TS1 TS2 t SPCS 3C4 U2 Io BS1 2 3 4 5 6 7 8 1 SGB AR2 AR3 AR1 4 5 6 7 8 I I t t TS1 TS2 SGB SPCJ 3C3 U1 2 3 1 SS1 SS2 BACTRL BS2 sin ϕ cosϕ I I ϕ OPEN 1 6 CLOSE 1 6 SPTO 6D3 U4 CHANNELS 1 7 CHANNELS 8 14 P mA1 Q mA2 U12 U23 U31 SPTM ___ U5 E CH 11 I U UI cosϕ UI sinϕ SPTM 8A1 SPTM 6A_ 1 ARDUE SIGNAL 5 6 1 1 CHANNEL 16 CHANNE...

Page 18: ...cted to output TRIP are linked to output SIGNAL1 0 SGR 8 When SGR 8 1 all the signals connected to output TRIP are linked to output SIGNAL2 0 Note Switch SGR 3 When SGR 3 0 and the Iϕ stage trips the trip signal opens output SIGNAL2 and gives an internal auto reclose inhibit signal Thus the low set earth fault stage has a signalling func tion only Switch SGR 7 When SGR 7 1 the output SIGNAL1 can b...

Page 19: ...ose module generally the starting input of AR initiated by the low set overcurrent stage 1 SGB 2 Links the starting signal of stage I to the starting input AR2 of the auto reclose module 0 SGB 3 Links the starting signal of stage I to the starting input AR1 of the auto reclose function generally the starting input of AR initiated by the high set overcurrent stage 1 SGB 4 Forms from the blocking in...

Page 20: ... SGB 2 and SGB 3 is allowed to be in position 1 Terminals and wiring All external conductors are connected to the terminal blocks on the rear panel Terminal block X0 consists of fixed screw terminals fas tened to the energizing input module The connectors X1 X6 are detachable multi pole connector strips with screw terminals Themalepartofthemulti poleconnectorstrips are fastened to the mother PC bo...

Page 21: ... connector INTERLOCK is reserved for future use 27 26 25 9 8 7 6 5 4 3 2 1 30 29 28 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 X1 12 11 10 9 8 7 6 5 4 3 2 1 X2 10 9 8 7 6 5 4 3 2 1 X6 12 11 10 9 8 7 6 5 4 3 2 1 X5 15 14 13 18 17 16 12 11 10 9 8 7 6 5 4 3 2 1 X4 15 14 13 18 17 16 12 11 10 9 8 7 6 5 4 3 2 1 X3 15 14 13 18 17 16 Rx Tx INTERLOCK SPAC 531 C 12 11 10 9 8 7 6 5 4 3 2 1 X1 12 1...

Page 22: ...ts Auto reclosing auto reclose sequence dead times reclaim time Measurements ratio of primary current and voltage transformers settings for activ and reactive power measurement settings for en ergy measurement Input channels 8 17 settings for polarity and output activation Event reporting event masks event delay times The parameters can be set via the front panel RS 232 connection or the rear pane...

Page 23: ...trol of the circuit breaker have been implemented using a SPAC 533 C feeder terminal which includes a dual stage overcurrent and a dual stage earth fault protection module a harmonics measuring blocking module and a control module When starting the overcurrent relay of the low voltage side blocks the high set stage of the HV side overcurrent relay The feeder terminals of the SPAC 530 series can be...

Page 24: ...14 X0 15 X0 16 X0 17 X0 18 X0 19 X0 20 OPEN 1 X1 4 X1 3 X1 7 X1 6 X2 1 X2 3 X2 2 X2 4 X2 6 X2 5 X2 7 X2 9 X2 8 X1 8 X1 10 X1 9 X3 11 X3 12 X3 13 X3 14 X3 15 X3 16 X3 17 X3 18 X4 11 X4 12 X4 13 X4 14 X4 15 X4 16 X4 17 X4 18 X5 11 X5 12 X5 13 X5 14 X5 15 X5 16 X5 17 X5 18 X6 1 X6 2 X6 3 X6 4 X3 7 X3 8 X3 6 X4 7 X4 8 X4 6 X3 9 X3 10 X4 10 X4 9 INPUT3 I INPUT3 O INPUT2 I INPUT2 O INPUT1 I INPUT1 O INP...

Page 25: ...Switch SGB SPCJ 3C3 SGB SPCS 3C4 SGR 1 1 I start to AR2 1 Iϕ start to AR3 0 no I start to SIGNAL 3 2 0 no I start to AR2 0 no Iϕ start to AR3 1 I and I trip to SIGNAL 1 3 1 I start to AR1 0 no Iϕ start to AR1 1 Iϕ trip toTRIP output 4 0 no block BS 1 to t 0 no block BS 1 to t 0 not in use 5 0 no block BS 1 to t 0 no block BS 1 to t 0 not in use 6 0 no block BS 2 to t 0 no block BS 2 to t 0 not in ...

Page 26: ...require ments of the safety regulations The require ments concerning operate times are basically fulfilled by the operate time of the high set stage The neutral overcurrent module can be used in networks with resonant earthed resistively earthed and isolated neutrals When an earth fault occurs on the protected feeder the level of the neutral current is re corded by the earth fault relay module The...

Page 27: ... DAR cycle caused by switching inrush currents following a HSAR cycle Both HSAR andDARfunctionscanbeinitiatedbythehigh set phase overcurrent stage Then the auto reclose functions start without a preceding start delay With the setting shown in example 1 only HSAR functions are started by the phase over current module and both HSAR and DAR functions by the neutral overcurrent module No auto reclose ...

Page 28: ...CB opening signal at AR SIGNAL1 Contact X1 6 7 ts1 Starting time of phase overcurrent module t Operate time of phase overcurrent module ts2 Starting time of auto reclose unit S24 Operate time of auto reclose unit tcb CB operate time trd Retardation time tr Delay of contact X1 6 7 t t S 24 SS1 TS1 CBOS I In t I t cb t rd t s1 t s2 t t S 24 I t t s1 t s2 SIGNAL 1 t r SS1 TS1 CBOS I In a b ...

Page 29: ...durations of the starting signals recorded by the substation re lays The auto reclose function of the control mod ule allows five successive HSAR and or DAR cycles The dead time of each auto reclose cycle can be set in the range 0 2 300 s at 0 1 s steps When voltage controlled line sectionalizers are used this feature can be used for locating a fault ThefirstisolatoropensduringthefirstARcycle the ...

Page 30: ... the tripping signal To prevent the auto reclose module from being started by the starting signal of the low set phase overcurrent andlow setneutralovercurrentstage I orIϕ the SGB 1 switches on the PC boards of the concerned modules have to be in position 0 Since the start of the I stage is used for blocking the auto reclose unit the starting sig nal is routed to the auto reclose unit via the SGB ...

Page 31: ...rts the auto reclose functions S21 0 Prevents AR1 from starting initiated by the high set phase overcurrent stage S22 1 Starts AR1 initiated by tripping of the overcurrent module S23 1 Starts AR1 initiated by tripping of the earth fault module S24 0 0 Sets AR1 starting time at 0 0 s AR initiated by tripping of the overcurrent module S25 0 0 Sets AR1 starting time at 0 0 s AR initiated by tripping ...

Page 32: ...nctions are started by the tripping signal As the starting time parameters S24 S25 and S35 of the auto reclose unit is zero the auto reclose unit performs tripping practically at the same moment via the OPEN 1 output contact X3 11 12 Parameters S26 and S36 are used for setting the time delay before the auto reclose unit is allowed to close the circuit breaker When the auto reclose sequence has bee...

Page 33: ...onal earth fault relay module totally out of operation The switches on the PC boards of the relay modules have to be set as follows Example 3 Contact Function X1 3 4 Opening 1 of CB I I X1 6 7 Signal for final trip I or I X2 1 2 3 Iϕ alarm signal X2 4 5 6 I start and blocking signal to phase overcurrent modules of incoming feeder cubicle X2 7 8 9 Iϕ start X1 8 9 10 Self supervision alarm IRF X3 11...

Page 34: ...to AR1 1 Iϕ trip to TRIP output 4 0 no block BS 1 to t 0 no block BS 1 to t 0 not in use 5 0 no block BS 1 to t 0 no block BS 1 to t 0 not in use 6 0 no block BS 2 to t 0 no block BS 2 to t 0 not in use 7 0 no block BS 2 to t 0 no block BS 2 to t 0 no TRIP sign to SIGNAL 1 8 0 not in use 0 not in use 0 no TRIP sign to SIGNAL 2 With above SGB and SGR switch settings the output contacts of feeder te...

Page 35: ... O I O I O I O I INPUT13 SIGNAL 6 X0 1 X0 4 X0 5 X0 6 X0 7 X0 8 X0 9 X0 25 X0 26 X0 27 X0 28 X0 29 X0 30 X0 13 X0 14 X0 15 X0 16 X0 17 X0 18 X0 19 X0 20 OPEN 1 X1 4 X1 3 X1 7 X1 6 X2 1 X2 3 X2 2 X2 4 X2 6 X2 5 X2 7 X2 9 X2 8 X1 8 X1 10 X1 9 X3 11 X3 12 X3 13 X3 14 X3 15 X3 16 X3 17 X3 18 X4 11 X4 12 X4 13 X4 14 X4 15 X4 16 X4 17 X4 18 X5 11 X5 12 X5 13 X5 14 X5 15 X5 16 X5 17 X5 18 X6 1 X6 2 X6 3 ...

Page 36: ... 17 X3 18 X4 11 X4 12 X4 13 X4 14 X4 15 X4 16 X4 17 X4 18 X5 11 X5 12 X5 13 X5 14 X5 15 X5 16 X5 17 X5 18 X6 1 X6 2 X6 3 X6 4 X3 7 X3 8 X3 6 X4 7 X4 8 X4 6 X3 9 X3 10 X4 10 X4 9 INPUT3 I INPUT3 O INPUT2 I INPUT2 O INPUT1 I INPUT1 O INPUT6 I INPUT6 O INPUT5 I INPUT5 O INPUT4 I INPUT4 O INPUT7 I INPUT7 O BS1 BACTRL BS2 X1 12 X1 11 X2 12 X2 11 X2 10 X3 2 X3 3 X3 4 X3 5 X3 1 X4 2 X4 3 X4 4 X4 5 X4 1 X...

Page 37: ... is below the setting of the high set phase overcurrent stage Then the blocking signal from the overcurrent relay module of the outgo ing feeder is taken from the high set stage of the protection The blocking signals to the contacts X2 11 12 of the busbar protection are routed to the high set stage of the phase overcurrent module by setting the SGB 5 switchon the PCboardofthe overcurrent module in...

Page 38: ...d SGR 6 have no function in SPAC 531 C and should be in position 0 With above switch settings the output contacts of feeder terminal SPAC 531 C1 have the fol lowing functions Example 6 Switch SGR 1 0 no I start to SIGNAL 3 2 0 no I and I trip to SIGNAL 1 3 1 Iϕ trip to TRIP output 4 0 not in use 5 0 not in use 6 0 not in use 7 1 TRIP signals to SIGNAL 1 8 1 TRIP signals to SIGNAL 2 Contact Functio...

Page 39: ...8 X4 11 X4 12 X4 13 X4 14 X4 15 X4 16 X4 17 X4 18 X5 11 X5 12 X5 13 X5 14 X5 15 X5 16 X5 17 X5 18 X6 1 X6 2 X6 3 X6 4 X3 7 X3 8 X3 6 X4 7 X4 8 X4 6 X3 9 X3 10 X4 10 X4 9 INPUT3 I INPUT3 O INPUT2 I INPUT2 O INPUT1 I INPUT1 O INPUT6 I INPUT6 O INPUT5 I INPUT5 O INPUT4 I INPUT4 O INPUT7 I INPUT7 O BS1 BACTRL BS2 X1 12 X1 11 X2 12 X2 11 X2 10 X3 2 X3 3 X3 4 X3 5 X3 1 X4 2 X4 3 X4 4 X4 5 X4 1 X5 2 X5 3...

Page 40: ... channels 8 14 single contact inputs X3 6 7 6 8 9 10 X4 6 7 6 8 9 10 X5 9 10 Control voltage range I O module type SPTR 4D1 80 265 V dc I O module type SPTR 4D2 30 80 V dc Current drain 2 mA Binary inputs of relay modules Terminal numbers blocking inputs X2 10 11 11 12 control input for operation mode Isinϕ or Icosϕ of earth fault protection X1 11 12 Control voltage range 18 265 Vdc or 80 265 Vac ...

Page 41: ...ltage 250 V ac or dc continuous carry 5 A make and carry for 0 5 s 10 A make and carry for 3 s 8 A breaking capacity for dc when the control circuit time constant L R 40 ms at the control voltage levels 48 110 220 V dc 1 A 0 25 A 0 15 A contact material AgCdO2 Auxiliary supply voltage Built in power supply module type and permitted supply voltage range type SPGU 240A1 80 265 V ac or dc type SPGU 4...

Page 42: ...f power measurement 1 of maximum value of measurement range the energy value can be integrated on the basis of the measured power alternative to energy pulse counter Measurement functions with optional measuring module SPTM 6A2 option 2 measurement of three phase currents and three phase to phase voltages measurement ranges current 0 1 5 x In voltage 0 1 5 x Un accuracy of current and voltage meas...

Page 43: ...h frequency 1 MHz disturbance test IEC 255 22 1 common mode 2 5 kV differential mode 1 0 kV Electrostatic discharge test IEC 255 22 2 and IEC 801 2 class III air discharge 8 kV contact discharge 6 kV Fast 5 50 ns transients IEC 255 22 4 class III IEC 801 4 level IV power supply inputs 4 kV other inputs 2 kV Environmental conditions Specified ambient service temperature 10 55 C Transport and storag...

Page 44: ... ment work shop but all major measures involv ing overhaul of the electronics are to be taken by the manufacturer Please contact the manufac turer or his nearest representative for further information about checking overhaul and recalibration of the relay Note Static protective relays are measuring instru ments and should be handled with care and protectedagainstmoistureandmechanicalstress especia...

Page 45: ...er terminal including an overcurrent module and a control module Partially equipped feeder terminal including an earth fault module and a control module Partially equipped feeder terminal including a control module alone SPAC 531 C1 SPAC 531 C3 SPAC 531 C5 SPAC 531 C7 Illustration Modules Type Fig 18 Delivery alternatives of feeder terminal SPAC 531 C ...

Page 46: ...livery alternatives of feeder terminal SPAC 631 C Order information Please state the following information when ordering feeder terminals 1 Quantity and type designation 15 units SPAC 531 C1 2 Rated frequency fn 50 Hz 3 Auxiliary supply voltage Uaux 110 V dc 4 Type designation of configuration plate 15 pcs SYKK 973 5 Options 15 pcs Measuring module SPTM 8A1 6 Accessories 15 pcs Bus connection modu...

Page 47: ...6D3 O I R L SG1 1 2 0 1 I STEP U I kA A kV O I TEST INTERLOCK O I MW Mvar GWh MWh kWh P Q E OPTION I U P Q E I U RS 232 1224 GAS PRESSURE MOTOR VOLTAGE SPTO 6D3 Control module User s manual and Technical description ...

Page 48: ...d serial communication parameters 8 RS 232 interface 10 Setting 11 Configuration 11 Interlocking 14 Direct Output Control 17 Input channels 8 17 modified 96 12 18 Outputs 19 Scaling of measured values 21 Auto reclosing modified 96 12 25 Event codes 30 Quick reference for setting 33 Serial communication parameters modified 96 12 34 Default values of parameters modified 96 12 42 Technical data 45 Co...

Page 49: ...ingthestatusoftheinputchannels8 17 The OPEN CLOSE or SIGNAL outputs can be controlled by the Direct Output Control program Thisprogramresemblestheinterlock ing program The user can define under which circumstances an output is to be activated This control of an output is determined by the status of inputs 1 7 and 8 17 the position of the LOCAL REMOTE key switch and the Direct Output Control Progra...

Page 50: ...ch routes the closing command selectively to the circuit breaker last closed The dead times of the different auto reclose cycles can be independently determined The reclaim time can also be determined by the user Block schematic diagram modified 96 12 Fig 1 Block schematic diagram for the control module SPTO 6D3 including an optional measuring module SPTM 8A1 E Channel 11 SPTM 8A1 AR1 AR2 AR3 t Op...

Page 51: ... the 16 indicator units can be utilized at a time The indicator units to be used are freely selectable by the user see chapter Configuration A plastic configuration plate type SYKK_ with a printed mimic diagram is inserted into a pocketinfrontoftheobjectindicatorunits The bottom of the pocket is open By selecting a proper configuration plate and by configuring a new combination of indicator units ...

Page 52: ...LED is lit when an auto reclose cycle starts and switched off when the auto reclose programme delivers a close command TEST The LED is lit when switch SG1 1 1 IN this switch position the interlocking function are out of use INTERLOCK The LED is lit when a control command is given locally but the control of the object is prohibited by the interlocking program The led indicator can be switched off b...

Page 53: ...n starts flashing and if the object is open the indicator for the open position starts flash ing The indicator remains flashing until a con trol command is given or a timeout of 1 min has elapsed If the first object is not to be controlled the pushbuttonispressedagainandtheindicatorof the second object to be controlled starts flash ing The close and open commands are given with the I close and O o...

Page 54: ... Measured phase to phase voltages U12 U23 U31 in kilovolts The measuring range is 0 00 999 kV The measured voltage is indicated by the leftmost red digit 1 2 or 3 on the display P MW Measured active power in megawatts Both positive and negative values are indicated Positive values have no sign negative values are indicated by a red minus sign Q MVar Measured reactive power in megavars Both positiv...

Page 55: ...e L3 kA Current in phase L1 A Current in phase L2 A Current in phase L3 A Voltage U12 kV Voltage U23 kV Voltage U31 kV 1 1 1 3 2 3 2 1 Active power MW Reactive power Mvar Energy GWh Energy MWh 3 Energy kWh Serial communication monitor Data transfer rate kBd Serial communication address A b C 2 Reverse step 0 5 s Forward step 1 s ...

Page 56: ... V 4 Pin 4 of the RS 232 interface of the control module SPTO 6D3 can be used for feeding supply voltage to an optic modem An optic modem may be necessary between the control module and the programming device if the possible potential difference cannot be elimi nated RS 232 interface The 9 pole RS 232 interface on the front panel is used for setting the control module via a PC The entire serial co...

Page 57: ...own code numbers 20 31 which have to be used when the control module is configured The output code numbers correspond to the follow ing functions Output code Function number 20 OPEN1 21 CLOSE1 22 OPEN2 23 CLOSE2 24 OPEN3 25 CLOSE3 26 OPEN4 27 CLOSE4 28 OPEN5 29 CLOSE5 30 OPEN6 31 CLOSE6 For the correspondence between the input and output codes and the terminal numbers on the rear panel of the feed...

Page 58: ...bject The object is a circuit breaker and closed status is indicated by vertical red LEDs Syntax rules for configuring the control module SPTO 6D3 1 The configuration work has to be done in the setting mode 2 Up to seven objects can be configured seven settings in the range of S101 S116 3 Only the input channel numbers 1 7 are accepted Anynumbercanbeusedonlyonce 4 If no object indicator is used no...

Page 59: ...OPEN3 and CLOSE3 99WS103 1 1 4 0 0 XX Disconnector 3 vertical red LEDs indicate closed status for input channel 4 No control 99WS108 1 0 5 0 0 XX Earthing switch horizontal red LEDs indicate closed status for input channel 5 No control 99WV151 1 XX Store the set parameters After this the interlocking program has to be written before it is possible to open or close the circuitbreakerandthedisconnec...

Page 60: ...with setting S199 Example 4 In example 2 a configuration was set If no interlockings are to be used the setting conti nues with the following commands 99WS199 0 XX Set interlockings out of use 99WV151 1 XX Store the set parameters In this case when the interlocking program is not used parameter S198 cannot be given the value1 Thestatusindicationandobjectcontrol is however operating normally The in...

Page 61: ...ctive Syntaxrulesforsettingtheinterlockinglogicfor the control module SPTO 6D3 1 The setting has to be done in the setting mode 2 With the interlocking program the user de fines when it is allowed to open and close an object 3 The setting parameters M200 M300 are used A setting parameter is equal to the line number of the interlocking program 4 Theinterlockingprogramalwaysbeginswith M200 No empty ...

Page 62: ...WM209 ANDN 104 XX Read inverted undefined status open or closed status of disconnector 3 99WM210 OUT 25 XX Enable closing of CB if earth switch is open and disconnector 3 is open or closed 99WM211 END XX End of interlocking program 99WS198 1 XX Change interlocking program into run mode 99WS199 1 XX Starts interlocking program 99WV151 1 XX Store the set parameters The program is automatically compi...

Page 63: ...s are Output code Definition 220 OPEN1 221 CLOSE1 222 OPEN2 223 CLOSE2 224 OPEN3 225 CLOSE3 226 OPEN4 227 CLOSE4 228 OPEN5 229 CLOSE5 230 OPEN6 231 CLOSE6 40 SIGNAL5 41 SIGNAL6 The Direct Output Control program is written after the interlocking program using the SPA protocol commands M200 M300 These two programs have a common END command Example 8 An interlocking logic was set in example 7 In this...

Page 64: ... energy pulse counter input see chapter Scaling of mea sured values Channel 14 can be used as external start initiationofauto reclosing seechapter Auto reclosing Via one input channel one signal output SIG NAL5or6 andonecontroloutput OPEN1 6 or CLOSE1 6 can be activated simultane ously Theinterlockinglogicischeckedwhenthe OPEN or CLOSE outputs are activated The position of the REMOTE LOCAL key swi...

Page 65: ...ly the outputissetinto a state of alert by means of parameter V1 for opening and parameter V2 for closing After thattheoutputcommandisexecutedbymeans of parameter V3 if enabled by the interlock ing program The state of alert is automati cally cancelled when the execute command has been given The state of alert can also be cancelled by parameter V4 ThecontrolmoduleSPTO6D3has14outputs two signal out...

Page 66: ... the outputs OPEN1 6 and CLOSE 1 6 the output is activated as long as the control signal is active The operation of the outputs OPEN1 6 and CLOSE1 6 can be inhibited in two ways By the interlocking program see chapter In terlocking By input channels 8 17 see chapter Input channels 8 17 The outputs SIGNAL5 and 6 can be controlled in two ways By input channels 8 17 see chapter Input channels 8 17 By...

Page 67: ...ng to active and reactive power according to the Aron connection prin ciple The measuring module SPTM 6A2 recti fies the phase current and the phase to phase voltage signals and routes them to the control module together with the signals proportional to the active and reactive power 3I 3U Q P 3I 3U SPTM 6A2 3UI x cosϕ 3UI x sinϕ 3 2 2 2 Fig 15 Block diagram of measuring module SPTM 6A2 Measuring m...

Page 68: ... has been given the default value 210 00 after factory testing Active and reactive power Active power is displayed locally and transferred via the serial bus as megawatt MW values Correspondingly the value of reactive power is displayed locally and transferred via the serial bus as megavar Mvar values The power is measured in both directions Positive values havenosignandnegativevaluesareindicatedb...

Page 69: ...XX Set low limit of mA signal 99WS15 20 XX Set high limit of mA signal 99WS18 0 00 XX Set value of power corresponding to low mA signal limit 99WS19 2 20 XX Set value of power corresponding to high mA signal limit 99WV151 1 XX Store set parameters B Power measurement using internal current and voltage signals measuring modules SPTM 6A2 or SPTM 6A3 In this case the measured power is automatically s...

Page 70: ...C contact 1 make contact NO contact default The following parameters must be defined for channel 0 S3 definition of kWh value per pulse setting range0 00 1000kWh Defaultsetting1 Example 17 Energy measurement via input 11 defined as pulse counter input 99WS92 1 XX Enable energy measurement 99WS3 5 XX Set energy value 5 kWh per pulse 99W11S1 1 XX Define input 11 as a pulse counter input without loca...

Page 71: ...e cycle 1 Sx1 Defines if the auto reclose cycle is to be started or inhibited when signal AR1 is activated Sx2 Defines if the auto reclose cycle is to be started or not started when signal AR2 is activated Sx3 Defines if the auto reclose cycle is to be started or not started when signal AR3 is activated Sx4 Definesthetime startingtime afterwhich the control module opens the circuit breaker when si...

Page 72: ... the last programmed AR cycle also proves unsuccessful The final trip function is selected with the setting parameters S71 S72 and S73 for the start initiating signals AR1 AR2 and AR3 in which case the auto reclose function uses the control module s con trol outputs for tripping Final tripping by the auto reclose module can be used when the start signals of the protection relay modules are used fo...

Page 73: ...AR1 ARINH S73 S72 S71 OPEN CLOSE CB STATUS OPEN R S S23 S22 S21 1 S24 t S26 t CB STATUS CLOSED 1 S25 t S77 t V6 t V5 t 1 S78 SG1 2 SHOT 1 SHOT 3 SHOT 4 SHOT 5 OPEN CLOSE CB STATUS OPEN R S S33 S32 S31 1 S34 t S36 t CB STATUS CLOSED 1 S35 t S77 t V6 t V5 t 1 S78 SG1 2 SHOT 2 OPEN CB STATUS CLOSED 1 S75 t S76 t V5 t FINAL TRIP BY AR S74 t CB OPEN CB CLOSE S79 S79 ...

Page 74: ... dead time The reclaim time always starts when an auto reclose sequence is interrupted When the circuit breaker is closed locally or via the serial bus the reclaim time starts and auto reclosing is inhibited Before the auto reclose program opens or closes the circuit breaker the interlocking program is checked and if the op eration is enabled it is executed For double busbar systems with two circu...

Page 75: ...ving parameter S78 the value 1 Then both cycles are initiated by the signals AR2 and AR3 and inhib itedbysignalAR1 Cycles3 5arenotinitiated by signals AR1 AR3 Only parameters relating to auto reclose cycles 1 and 2 are to be set The default values for the parameters of the other cycles may be kept unchanged 99WS78 1 XX Take AR into use 99WS21 0 XX Inhibit cycle 1 if AR1 is activated 99WS22 1 XX In...

Page 76: ...t code is represented by a number An event mask is formed by multiplying the corre sponding number by either 1 which means that event is included in the reporting or 0 which meansthateventisnotincludedinthereporting and finally adding up the results of the multi plications Example 20 Calculation of an event mask value Channel Event Event Number Event Result code repre factor of multi senting plica...

Page 77: ...se or vice versa The time marking of a delayed event is the actual event time plus the delay time The capacity of the event register is 100 events The control module has the following event codes Channel Code Event Number Default value representing of the event the event factor 0 E1 Key switch in position LOCAL 1 1 0 E2 Key switch in position REMOTE 2 1 0 E3 Output test switch SG1 1 ON 4 0 0 E4 Ou...

Page 78: ...gnal AR1 in progress 4 0 0 E34 Cycle 5 initiated by signal AR2 in progress 8 0 0 E35 Cycle 5 initiated by signal AR3 in progress 16 0 0 E36 Final trip by AR via signal AR1 32 0 0 E37 Final trip by AR via signal AR2 64 0 0 E38 Final trip by AR via signal AR3 128 0 0 E39 Final trip by signal AR1 256 1 0 E40 Final trip by signal AR2 512 1 0 E41 Final trip by signal AR3 1024 1 V158 1795 1 7 E1 Change ...

Page 79: ...nput channel 8 17 3 Event E10 open or close command failed is obtained if the status of the controlled object does not change within the time of the output pulse 4 Event E11 attempt to activate an output withoutopen closeselectionisobtainedwhen asecuredcontrolismadeinasituationwhere the state of alert has not been defined If all the parameters are set at the same time you should follow the instruc...

Page 80: ...21 R 0 not active 1 active AR start signal AR2 0 I22 R 0 not active 1 active AR start signal AR3 0 I23 R 0 not active 1 active Internal ARINH signal 0 I24 R 0 not active 1 active Object status 1 7 I1 R 0 undefined inputs 00 1 closed 2 open 3 undefined inputs 11 Closed status of an object 1 7 I2 R 0 not closed 1 closed Open status of an object 1 7 I3 R 0 not open 1 open Status of inputs 8 17 8 17 I...

Page 81: ... operation position SG1 1 0 1 interlockings off SG1 1 1 Object indication mode 0 S7 RW e 0 continuous display 1 automatic switch off after 10 min Display indication mode 0 S8 RW e 0 continuous display 1 automatic switch off after 5 min Scaling of current measurement 0 S9 RW e 0 00 10000 00 opt 1 2 or 3 Scaling of voltage measurement 0 S10 RW e 0 00 10000 00 opt 1 2 or 3 Low limit for mA signal of ...

Page 82: ... 0 S32 RW e 0 AR cycle 2 not started by signal AR2 1 AR cycle 2 started by signal AR2 AR cycle 2 initiated by signal AR3 0 S33 RW e 0 AR cycle 2 not started by signal AR3 1 AR cycle 2 started by signal AR3 Starting time of AR cycle 2 0 S34 RW e 0 00 5 00 s initiated by AR2 Starting time of AR cycle 2 0 S35 RW e 0 00 5 00 s initiated by AR3 Dead time of AR cycle 2 0 S36 RW e 0 2 300 0 s AR cycle 3 ...

Page 83: ...tarted by signal AR2 1 AR cycle 5 started by signal AR2 AR cycle 5 initiated by signal AR3 0 S63 RW e 0 AR cycle 5 not started by signal AR3 1 AR cycle 5 started by signal AR3 Starting time of AR cycle 5 0 S64 RW e 0 00 5 00 s initiated by AR2 Starting time of AR cycle 5 0 S65 RW e 0 00 5 00 s intitated by AR3 AR 5 dead time 0 S66 RW e 0 2 300 0 s Final AR trip via signal AR1 0 S71 RW e 0 no final...

Page 84: ...ule 1 SPTM 8A1 2 measuring module 2 or 3 SPTM 6A2 or SPTM 6A3 Power measurement 0 S91 RW e 0 no power measurement 1 power is measured Energy measurement 0 S92 RW e 0 no energy measurement 1 energy is measured Configuration and interlocking 0 S100 RW e 0 freely selectable configu ration and interlocking program 1 for future use Configuration of objects 0 S101 RW e value 1 format value 1 value 2 0 i...

Page 85: ...vent delay 10 open 1 7 S10 RW e 0 0 or 0 1 60 0 s Event delay 01 close 1 7 S11 RW e 0 0 or 0 1 60 0 s Event delay 11 undefined 1 7 S12 RW e 0 0 or 0 1 60 0 s Event delay 00 undefined 1 7 S13 RW e 0 0 or 0 1 60 0 s Use of input 10 10 S1 RW e 0 general mode 1 ARINH input Use of input 11 11 S1 RW e 0 general mode 1 pulse counter without indication 2 pulse counter with indication Use of input 14 14 S1...

Page 86: ... 0 0 or 0 1 60 0 s Event delay reset 8 17 S11 RW e 0 0 or 0 1 60 0 s Event reporting 1 17 S20 RW e 0 event reporting enabled 1 event reporting inhibited Active power MW 0 V3 R 999 99 999 99 MW Reactive power Mvar 0 V4 R 999 99 999 99 Mvar Active energy kWh 0 V5 RW 0 999999999 kWh Position of local remote key switch 0 V6 R 0 local 1 remote Active energy kWh 0 V8 RW 0 999 kWh Active energy MWh 0 V9 ...

Page 87: ...vent mask 1 7 V155 RW e 0 2047 Event mask 8 17 V155 RW e 0 15 Activation of self supervision 0 V165 W 0 reset output 1 activate Internal fault code 0 V169 R Fault code Data communication address 0 V200 RW e 1 254 Data transfer rate 0 V201 RW e 4800 9600 Program version symbol 0 V205 R E g 055 M Type designation of the module 0 F R SPTO 6D3 Reading of event register 0 L R Time channel number and ev...

Page 88: ...cle 1 started by signal AR2 AR cycle 1 initiated by signal AR3 0 S23 1 AR cycle 1 started by signal AR3 Starting time of AR cycle 1 initiated by AR2 0 S24 0 00 s Starting time of AR cycle 1 initiated by AR3 0 S25 0 00 s Dead time of AR cycle 1 0 S26 0 3 s AR cycle 2 initiated by signal AR1 0 S31 0 AR cycle 2 inhibited by signal AR1 AR cycle 2 initiated by signal AR2 0 S32 1 AR cycle 2 started by s...

Page 89: ...ignal AR1 0 S71 0 no final trip by AR initiated by signal AR1 Final trip by AR initiated by signal AR2 0 S72 0 no final trip by AR initiated by signal AR2 Final trip by AR initiated by signal AR3 0 S73 0 no final trip by AR initiated by signal AR3 Final trip time via AR1 0 S74 300 0 s Final trip time via AR2 0 S75 300 0 s Final trip time via AR3 0 S76 300 0 s AR reclaim time 0 S77 5 0 s Auto reclo...

Page 90: ...ction of inputs 8 17 8 17 S2 1 active at high state Signal output activation by inputs 8 17 8 17 S3 0 no signal output Operation of OPEN and CLOSE 8 17 S4 0 no activation or inhibit outputs by inputs 8 17 Memory controlled function of the 8 13 S5 0 not memory controlled indicators of the binary inputs Event delay activated 8 17 S10 0 0 s Event delay reset 8 17 S11 0 0 s Event reporting 1 17 S20 0 ...

Page 91: ... accuracy of power measurement better than 1 of the maximum value of the measurement range mA input range 20 mA 0 20 mA can be limited by setting With optional measuring module SPTM 6A2 measurement of three phase currents and three phase to phase voltages measurement range 0 1 5 x In and 0 1 5 x Un accuracy of current and voltage measurement better than 1 of rated value measurement of active and r...

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Page 93: ...with indicator Stage 1 Setting knob 2 with indicator Setting knob 3 with indicator Stage 2 Setting knob 4 with indicator Self supervision alarm indicator Internal Relay Fault Display 1 3 digits Step push button STEP Programming switches SG1 Switchgroup indicator Reset push button RESET Start operation indicators General characteristics of C type relay modules User s manual and Technical descriptio...

Page 94: ...ality See section Display Programming switches SG1 Part of the settings and the selections of the operating characteristics for the relay modules in various applications are made with the pro grammingswitchesSG1onthefrontpanel The indicator of the switchgroup glows when the checksum of the switchgroup is shown on the display The checksum can be used for checking that the switches are properly set ...

Page 95: ...he measured set or stored value and the digit at the extreme left red the number of theregister Themeasuredorsetvaluedisplayed is indicated by a yellow LED indicator The number of the register glows only when a stored value is displayed When the auxiliary voltage is connected to a measuring relay module the module initially tests the display by stepping through the digits 1 9 for about 15 seconds ...

Page 96: ...they are displayed by pressing the STEP button In addition to the setting knob settings the main menu contains the measured current values as well as the registers 1 5 as well as 0 and A The remote setting percentage and remote setting value are located in the submenus for the settings and are activated on the display by pressing the RESET button Setting mode Theregistersofthemainmenuandthesubmenu...

Page 97: ...the memory of the relay module by pressing the RESET and STEP button simultaneously At the moment the information enters the memory the three green dashes flash in the display i e A i Leave the setting mode by pressing the RESET button for about 10 s until the display stops flashing j Then enter submenu 1 of register A by pressing the RESET button for approx one second The register address A is th...

Page 98: ... g external blocking signals and status information for the circuit breaker The codes are explained in the descriptions of the relay modules Register A contains the address code of the relay moduleasrequiredbytheserialcommunication system Example 1 on page 4 shows how the address code is altered Submenu 1 of register A contains the data transfer rate value expressed in kilobaud for the serial comm...

Page 99: ...activated by simultaneouspressingofthepush buttonsSTEP and RESET The signal remains activated as long as the two push buttons are being pressed Theself supervisionoutputisactivatedbypress ingtheSTEPbuttononcewhennosettingknob indicator is flashing The IRF output is acti vated in about 5 seconds after pressing of the STEP button and resets after that Simultane ously the display returns to the main ...

Page 100: ...to activate tripping of stage 1 e g the I stage of the overcurrent module SPCJ 3C3 The indicator of the concerned stage starts glowing red f Starting and tripping of the second stage is activated in the same way as stage 1 The indica torofthethirdorfourthsettingstartsflashingto indicate that the concerned stage has been acti vated g To activate the self supervision output step to wards the test po...

Page 101: ...h a self supervision sys tem which continuously supervises the function of the microprocessor its program execution and the electronics When the self supervision system has detected a permanent fault in the relay module the red IRF indicator on the panel starts glowing soon after the fault was discovered At the same time the module puts forward a signal to the self supervision contact of the relay...

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Page 103: ...I L3 I I 1309 s k t 0 5 0 05 1 0 13 2 5 0 5 0 04 1 0 0 5 1 5 2 5 STEP RESET SG1 0 1 1 2 3 4 5 6 7 8 20 STEP I n I I n I I t s I I SPCJ 3C3 B SPCJ 3C3 Overcurrent relay module User s manual and Technical description ...

Page 104: ... definite minimum time IDMT operation characteristic High set current stage I with instantaneous operation or definite time operation character istic Bothovercurrentstagescanbeblockedbymeans of an external control signals from cooperating protection relays Digital display of measured and set values re corded fault values operation indications and fault messages Comprehensiveserialcommunicationcapa...

Page 105: ...quired operation characteristic is selected with switch SG1 3 At definite time character istic the operation time t can be selected within one of the three available setting ranges of the stage The operation time setting range is se lected with switches SG1 1 and SG1 2 When inverse time characteristic IDMT is used four time current curve groups with different slopes of inversity are available The ...

Page 106: ...up on the PC board and starting signal selector switchgroup for the auto reclose functions SS1 Start signal of stage I TS1 Trip signal of stage I SS2 Start signal of stage I TS2 Trip signal of stage I AR1 AR2 Start signals for auto reclose functions Y Yellow indicator starting R Red indicator tripping NOTE All input and output signals of the relay module are not necessarily wired to the terminals ...

Page 107: ...n the overcurrent stage starts and turning red when the stage operates When the protection stage returns to normal the yellow indication remains lit The indicators that have been given the manual reset mode are reset by pushing the RESET push button or by the command V101 or V102 via the serial interface The function of the relay module is not affected by an unreset operation indicator When the di...

Page 108: ...plier k is 0 05 1 00 I In SetstartingcurrentofstageI asamultipleoftheratedcurrentIn oftheenergizinginput used Setting range 2 5 20 0 x In when SG1 6 0 and 0 5 4 0 x In when SG1 6 1 Additionally the setting infinite displayed as can be selected rendering the high set stage I inoperative t s The set operation time of stage I expressed in seconds The setting ranges 0 04 1 00 s 0 4 10 0sand4 100s ared...

Page 109: ...in on output relay energized although the energizing input signal falls below the starting level The latched tripping signals are reset by pressing the push buttons STEP and RESET simultaneously or with the command V101 When the STEP and RESET push buttons are pushed the recorded values are erased as well SG1 5 Selection of automatic doubling of the setting value of the high set overcurrent stage ...

Page 110: ...dicatorsofthelow set and the high set overcurrent stage can be given self reset mode of operation or latching mode of operation The selection is made by means of a checksum which is calculated from the table below Normally the start indications are self reset and the operation indications latching If the checksum of switchgroup SG2 0 no LED indications are obtained after a fault i e no start or op...

Page 111: ...witches 1 3 are used for selecting the starting signals for a possible auto reclose module whereas switches 4 8 are used for routing blocking signals to the overcurrent module in various protection relays The functions of the selector switchgroup SGB is described in the general part of the manual of the concerned protection relay Measured data The measured values are displayed by the rightmost thr...

Page 112: ...terwhichthusalwayscontainsthevaluefromthelateststarting When the stage has operated the counter reading is 100 5 Duration of the latest starting situation of stage I as a percentage of the set operating time t A new starting resets the counter which thus always contains the value from the latest starting When the stage has operated the counter reading is 100 0 Display of blocking signals and other...

Page 113: ... is interrupted the numbers 0 255 is scrolling in the display 3 Password required for the remote control of relay settings Display dark By pressing the STEP push button the starting point of the display menu obtained The values of the registers 1 5 are erased by pressing the push buttons STEP and RESET simultaneously or with the command V102 The register values are also erased if the auxiliary pow...

Page 114: ...rrent of stage I 2 Remotely set checksum of SG1 1 Remotely set checksum of SG1 2 Remotely set start current value I x p3 Remotely set value t x p2 or k x p2 Remotely set start current value I x p1 Remotely set percentage p3 Remotely set percentage p2 Remotely set percentage p1 1 Number of starts of the low set stage I 2 3 Duration of the last start event of stage I 5 4 Status of the external block...

Page 115: ...2 34 E 5 1 13 E 1 26 E 1 48 E 1 26 E 7 1 00 E 10 1 01 E 1 01 E 1 02 E 20 1 00 E 1 00 E 1 00 E Over the normal current ranges the inverse time stage of the overcurrent module SPCJ 3C3 complies with the tolerances of class 5 for all four characteristics The time current characteristics specified in the standards are illustrated in Fig 3 4 5 and 6 Time current characteristics The operation of the low...

Page 116: ...ely inverse characteristic I measured current I set start current t operation time k time multiplier 1 3 4 5 6 7 8 9 10 2 20 I I 0 05 0 1 0 2 0 3 0 4 0 6 0 8 1 0 k 0 02 0 03 0 04 0 05 0 06 0 07 0 08 0 09 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 2 3 4 5 6 7 8 9 10 20 30 40 70 60 50 t s ...

Page 117: ...rent I set start current t operation time k time multiplier 1 2 3 4 5 6 7 8 9 10 20 I I 0 05 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 k 0 02 0 03 0 04 0 05 0 06 0 07 0 08 0 09 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 2 3 4 5 6 7 8 9 10 20 70 60 50 40 30 t s ...

Page 118: ... current I set current t operation time k time multiplier 0 05 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 k 1 2 3 4 5 7 8 9 10 20 I I 6 0 02 0 03 0 04 0 05 0 06 0 07 0 08 0 09 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 2 3 4 5 6 7 8 9 10 20 30 40 50 60 70 t s ...

Page 119: ...red current I set start current t operation time k time multiplier 1 2 3 4 5 10 20 6 7 8 9 I I 0 05 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 k 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 2 3 4 5 6 7 8 9 10 20 30 40 50 60 70 80 90 100 200 300 400 500 600 700 t s ...

Page 120: ...30 ms Drop off pick up ratio typically 0 96 Operation time accuracy at definite time operation characteristic 2 of set value or 25 ms Operation time accuracy class E at inverse time mode of operation 5 Operation accuracy 3 of set value High set overcurrent stage I Start current I 2 5 20 0 x In infinite or 0 5 4 0 x In infinite Start time typically 40 ms Operation time t 0 04 1 00 s 0 4 10 0 s or 4...

Page 121: ...ent codesoftherelaymoduleSPCJ3C3aredenoted E1 E8 E50 and E51 Additional event codes i e E52 E54 aregeneratedbythecontroldata communicator These event codes are for in stance related to the data communication The event codes E1 E8 and the events repre sented by these can be included in or excluded from the event reporting by writing over the SPA bus an event mask V155 to the relay module The event ...

Page 122: ... I tripped Starting of stage I O3 R 0 stage I not started 1 stage I started Tripping of stage I O4 R 0 stage I not tripped 1 stage I tripped Alerted start value for stage I S1 R 0 5 2 5 x In Alerted operation time for stage I S2 R 0 05 100 s or time multiplier k 0 05 1 00 Alerted start value for stage I S3 R 0 5 20 x In 999 infinite Alerted operation time for stage I S4 R 0 04 100 s Alerted checks...

Page 123: ...f output relays and V101 W 1 output relays and operation operation indicators indicators are reset Resetting of output relays and V102 W 1 output relays and operation operation indicators and erasing indicators are reset and of recorded data registers codes V1 V7 are erased Remote control of settings V150 R W 0 setting with knobs S11 S15 alerted 1 remote settings S31 S35 alerted Event mask word V1...

Page 124: ...ns of the L command When required the B command can be re peated The set values S1 S5 are the alerted set values currently used by the relay These values can be set either by means of the setting knobs and selector switches or by remote control The values S11 S15 are set with the setting knobs and the switches of the relay module The values S21 S25 are percentage factors to be multi plied by the s...

Page 125: ...ge oper ates only the codes 16 32 and 64 are updated A new value always erases the old recorded value Register V6 can be set to zero either by pushing the buttons STEP and RESET simultaneously orbygivingthevariableV102thevalue1viathe SPA bus Fault codes Shortly after the self supervision system has detected a permanent internal fault the red fault indicator IRF on the relay module front panel is l...

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Page 127: ...Overcurrent relay module User s manual and Technical description o IRF 0047A 0 6 0 1 1 0 30 5 0 6 0 1 1 0 1 0 6 0 10 STEP RESET SG1 0 1 1 2 3 4 5 6 7 8 40 SPCS 3C4 B I Iϕ Iϕ s t n I n I t s Iϕ I ϕ U o I ϕ I STEP ...

Page 128: ...l neutral overcurrent relay module with definite time characteristic for earth fault protection Two neutral overcurrent stages a low set stage Iϕ and a high set stage Iϕ The high set stage can be given the same or the opposite direction of operation as compared with the low set stage I0sinϕ or I0cosϕ operation characteristic se lected locally by switches or by remote control over the external cont...

Page 129: ...ve start values are available The operation characteristics of the module are presented in Fig 4 If the system to be protected is resonant earthed or solidly or nearly solidly earthed the operation characteristic to be se lected is I0cosϕ whereas I0sinϕ is selected for the protection of isolated neutral systems The operation characteristic I0sinϕ or I0cosϕ can be selected manually by means of swit...

Page 130: ...witches on the PC board for configuring incoming blocking signals and outgoing start signals SS1 Start signal of the low set stage Iϕ TS1 Trip signal of the low set stage Iϕ SS2 Start signal of the high set stage Iϕ TS2 Trip signal of the high set stage Iϕ AR1 AR3 Start initiation signals for an optional auto reclose relay module Y Yellow start indicator R Red operation indicator NOTE All input an...

Page 131: ...nce the yellowstart indication but not the red operation indication of a protection stage is given the manual mode the yellow indication is lit when the protection stage starts and turned red when the stage operates When the protection stage returns to normal the yel low indication remains lit Manual reset indica tions are reset py pushing the RESET push button or by the command V101 or V102 via t...

Page 132: ...put The setting range is 5 40 x In when SG1 6 0 and 1 8 x In when SG1 6 1 Additionally the setting infinite displayed as can be selected whichmeans thatstageIϕ hasbeensetoutoffunction Ifthehigh setstage Iϕ operates in the reverse direction SG1 1 1 the setting value is negative and the leftmost digit on the display shows a red minus sign t s Operate time of stage Iϕ expressed in seconds Setting ran...

Page 133: ...low the set start level When SG1 4 1 the trip signals remain in the activated the output relay operated althoughtheenergizingsignalfallsbelowthesetstartlevel Thetripsignals can be reset by pressing the push buttons STEP and RESET simultaneously or with the command V101 When the STEP and RESET push buttons are pushed the recorded values are erased as well SG1 5 Selection of setting range for the op...

Page 134: ...cated in the third submenu of switchgroupSG1 InswitchgroupSG2themode of operation of the LED indicators is selected Thestartandoperationindicatorsofthelow set stage and the high set stage can be given self reset mode of operation or manual mode of operation The selection is made by means of a checksum which is calculated from the table below Nor mally the start indications are self reset and the o...

Page 135: ...of the different protection relay units data being presented are indicated by LED indicators on the front panel Indicator Measured data U0 Residual voltage measured by the module expressed as a percentage of the rated voltage Un of the energized relay input If the measured value exceeds 25 of the rated voltage of the energized relay input the display shows I0 Neutral current measured by the module...

Page 136: ...on stage will erase previously recorded value and starts to record a new maximumU0 value Whenastageoperates thevalueofU0 measuredatthemoment of operation is recorded 3 Number of times the set start value of the residual voltage has been exceeded n U0 0 255 4 Number of starts of the low set stage Iϕ n Iϕ 0 255 5 Number of starts of the high set stage Iϕ n Iϕ 0 255 6 Duration of the latest start eve...

Page 137: ...e module can be activated one by one in order to test the output relays For further details see the description General characteristics of C type relay modules A Address code of the protection relay module required by the serial communication system The address code is set to zero when no serial communication is to be used The subroutines of this register are 1 Selection of data transfer rate for ...

Page 138: ...erate time t x p2 Remotely set percentage p3 Present start current high set stage Iϕ Remotely set start current Iϕ x p3 Remotely set percentage p4 Present operate time t high set stage Iϕ Remotely set operate time t x p4 Present checksum switchgroup SG1 Remotely set checksum Remotely set checksum Checksum of SG2 Recorded maximum value of the neutral current Iϕ Recorded maximum value of the residua...

Page 139: ...he maximum setting value of stage Iϕ inaccuracy caused by 1o phase displacement High set neutral overcurrent stage Iϕ Start current 5 40 x In and infinite or 1 8 x In and infinite Start time typically 150 ms Operate time 0 1 1 0 s Reseting time typically 100 ms Drop off pick up ratio typically 0 95 Operate time accuracy 2 of setting or 50 ms Operation accuracy 3 of the maximum setting value of sta...

Page 140: ...et of tripping of stage Iϕ 128 0 E50 Restart E51 Overflow of event register E52 Temporary disturbance in data communication E53 No response from the module over the data communication E54 The module responds again over the data communication Event codes OvertheSPAserialbusthedatacommunication equipment reads event data for instance start and trip information produced by the relay module SPCS 3C4 O...

Page 141: ...sinϕ characteristic sinϕ cosϕ 1 I0cosϕ Start of low set stage Iϕ O1 R 0 stage Iϕ not started 1 stage Iϕ started Tripping of low set stage Iϕ O2 R 0 stage Iϕ not tripped 1 stage Iϕ tripped Start of high set stage Iϕ O3 R 0 stage Iϕ not started 1 stage Iϕ started Tripping of high set stage Iϕ O4 R 0 stage Iϕ not tripped 1 stage Iϕ tripped Active start current Iϕ of the low set S1 R 1 10 x In stage I...

Page 142: ... V3 R 0 255 Number of starts of stage Iϕ V4 R 0 255 Number of starts of stage Iϕ V5 R 0 255 Duration of the latest start event of stage Iϕ V6 R 0 100 Duration of the latest start event V7 R 0 100 of stage Iϕ Max recorded value I0 V8 R 0 100 x In 999 if I0 100 x In Resetting of output relays and V101 W 1 output relays and oper operation indicators ation indicators are reset Resetting of output rela...

Page 143: ...r the B command allows re reading of the contents of the event register previously read by means of the L command If required the B command can be repeated The setting values S1 S5 are currently acti vated by the protection relay They are set either remotely over the SPA bus and the serial port of the relay or locally by means of the setting knobs on the relay module front panel The setting values...

Page 144: ...epaired Some of the fault codes that may appear on the display of the directional neutral overcurrent relay module SPCS 3C4 are shown in the fol lowing list Fault code Type of fault 4 Output relay control circuit interrupted or output relay module missing 30 Red Only Memory ROM damaged 50 Random Access Memory RAM damaged 195 Too low a value on reference channel with multiplier 1 131 Too low a valu...

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Page 146: ...1MRS 750852 MUM EN ABB Oy Substation Automation P O Box 699 FIN 65101 VAASA Finland Tel 358 0 10 22 11 Fax 358 0 10 22 41094 www abb com substationautomation ...

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